SAP:How to Create Class

1、  SE80 输入class 名称，然后输入方法名称，以及parameter

method GET_LAST_DAY.
  call function 'LAST_DAY_OF_MONTHS'
    exporting
      day_in            = p_from
    importing
      last_day_of_month = p_to
    exceptions
      day_in_no_date    = 1
      others            = 2.
endmethod.

 

2、  调用

  lv_last_day = sy-datum.

  call method ztestcls=>get_last_day
    exporting
      p_from = lv_last_day
    changing
      p_to   = wa_last_day.

  write:wa_last_day.